Is this ans correct or 0.365 if we will take on 5C2 case???

Can u clarify?

Can u clarify?

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**In P-persistent CSMA network there are 5 systems in a slot. The probability of station not transmitting the data is 0.6. Only two stations should transmit the data to avoid collision. What is the probability that channel is collision free?**

My answer is 0.6825 and answer given is 0.34 - 0.35.

I solved this as P (no collision) = either 2 stations are transmitting or 1 station or none.

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